123545114450140 has 24 divisors (see below), whose sum is σ = 260063940220560. Its totient is φ = 49300102946688.

The previous prime is 123545114450123. The next prime is 123545114450159. The reversal of 123545114450140 is 41054411545321.

It is a junction number, because it is equal to n+sod(n) for n = 123545114450093 and 123545114450102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7371418497 + ... + 7371435256.

It is an arithmetic number, because the mean of its divisors is an integer number (10835997509190).

Almost surely, 2^{123545114450140} is an apocalyptic number.

123545114450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123545114450140 is an abundant number, since it is smaller than the sum of its proper divisors (136518825770420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123545114450140 is a wasteful number, since it uses less digits than its factorization.

123545114450140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14742854181 (or 14742854179 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 123545114450140 its reverse (41054411545321), we get a palindrome (164599525995461).

The spelling of 123545114450140 in words is "one hundred twenty-three trillion, five hundred forty-five billion, one hundred fourteen million, four hundred fifty thousand, one hundred forty".